Enable single file processing

2 files changed, 15 insertions, 5 deletions

diff --git a/list.c b/list.c
index 8c5b478..e1d4ffd 100644
--- a/list.c
+++ b/list.c
@@ -23,6 +23,17 @@ void add_file_path(Node **head, char *file_path) {
 }
 
 void list_files_recursively(char *base_path, Node **head) {
+	struct stat statbuf;
+	if (stat(base_path, &statbuf) == -1) {
+		perror("stat");
+		return;
+	}
+
+	if (S_ISREG(statbuf.st_mode)) {
+		add_file_path(head, base_path);
+		return;
+	}
+
 	char path[2048];
 	struct dirent *dp;
 	DIR *dir = opendir(base_path);
@@ -39,11 +50,10 @@ void list_files_recursively(char *base_path, Node **head) {
 				continue;
 			}
 
-			struct stat statbuf;
 			if (stat(path, &statbuf) != -1) {
 				if (S_ISDIR(statbuf.st_mode)) {
 					list_files_recursively(path, head);
-				} else {
+				} else if (S_ISREG(statbuf.st_mode)) {
 					add_file_path(head, path);
 				}
 			}
diff --git a/main.c b/main.c
index 0a2ddd8..4ff4ab5 100644
--- a/main.c
+++ b/main.c
@@ -177,13 +177,13 @@ const char *get_file_extension(const char *file_path) {
 }
 
 int main(int argc, char *argv[]) {
-	if (argc < 3) {
-		printf("Usage: %s <search term> <directory>\n", argv[0]);
+	if (argc < 2) {
+		printf("Usage: %s <search term> [directory|file]\n", argv[0]);
 		return 1;
 	}
 
 	const char *cfname = argv[1];
-	char *directory = argv[2];
+	char *directory = (argc > 2) ? argv[2] : ".";
 
 	TSLanguage *tree_sitter_c(void);
 	TSLanguage *tree_sitter_python(void);